EP1220541A3 - Procédé et système de livraison de données - Google Patents
Procédé et système de livraison de données Download PDFInfo
- Publication number
- EP1220541A3 EP1220541A3 EP01310868A EP01310868A EP1220541A3 EP 1220541 A3 EP1220541 A3 EP 1220541A3 EP 01310868 A EP01310868 A EP 01310868A EP 01310868 A EP01310868 A EP 01310868A EP 1220541 A3 EP1220541 A3 EP 1220541A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- digital data
- key
- descramble
- data
- scramble
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000002716 delivery method Methods 0.000 title 1
- 230000005540 biological transmission Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
- H04N7/17309—Transmission or handling of upstream communications
- H04N7/17327—Transmission or handling of upstream communications with deferred transmission or handling of upstream communications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
- H04L63/062—Network architectures or network communication protocols for network security for supporting key management in a packet data network for key distribution, e.g. centrally by trusted party
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/18—Network architectures or network communication protocols for network security using different networks or channels, e.g. using out of band channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
- H04L9/083—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
- H04N21/26606—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel for generating or managing entitlement messages, e.g. Entitlement Control Message [ECM] or Entitlement Management Message [EMM]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/43607—Interfacing a plurality of external cards, e.g. through a DVB Common Interface [DVB-CI]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4408—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream encryption, e.g. re-encrypting a decrypted video stream for redistribution in a home network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/631—Multimode Transmission, e.g. transmitting basic layers and enhancement layers of the content over different transmission paths or transmitting with different error corrections, different keys or with different transmission protocols
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
- H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
- H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/60—Digital content management, e.g. content distribution
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2463/00—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00
- H04L2463/101—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00 applying security measures for digital rights management
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Databases & Information Systems (AREA)
- Storage Device Security (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000403472 | 2000-12-28 | ||
JP2000403472 | 2000-12-28 | ||
JP2001076918A JP2002261747A (ja) | 2000-12-28 | 2001-03-16 | 配信方法及び配信システム |
JP2001076918 | 2001-03-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1220541A2 EP1220541A2 (fr) | 2002-07-03 |
EP1220541A3 true EP1220541A3 (fr) | 2002-07-10 |
Family
ID=26607255
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01310868A Withdrawn EP1220541A3 (fr) | 2000-12-28 | 2001-12-24 | Procédé et système de livraison de données |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP1220541A3 (fr) |
JP (1) | JP2002261747A (fr) |
KR (1) | KR20020055353A (fr) |
CN (1) | CN1362810A (fr) |
CA (1) | CA2366161A1 (fr) |
HK (1) | HK1050437A1 (fr) |
SG (1) | SG114516A1 (fr) |
TW (1) | TW548938B (fr) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1311456C (zh) * | 2001-07-19 | 2007-04-18 | 皇家菲利浦电子有限公司 | 用于再生用户数据的设备和方法 |
JP2004140808A (ja) * | 2002-09-25 | 2004-05-13 | Denon Ltd | コンテンツデータ送受信システム、コンテンツデータ送信装置、コンテンツデータ受信装置及びコンテンツデータ送受信方法 |
JP2004265335A (ja) | 2003-03-04 | 2004-09-24 | Sony Corp | 情報処理装置および方法、並びにプログラム |
CN100440179C (zh) * | 2003-08-14 | 2008-12-03 | 索尼株式会社 | 信息处理装置和方法 |
US7539307B2 (en) * | 2003-11-26 | 2009-05-26 | International Business Machines Corporation | System, method, and service for delivering enhanced multimedia content on physical media |
EP1723741B1 (fr) * | 2004-03-09 | 2013-07-10 | Thomson Licensing | Transmission de donnees securisees via la gestion et le controle de titres d'acces sur une pluralite de voies |
JPWO2006006233A1 (ja) * | 2004-07-13 | 2008-04-24 | 三菱電機株式会社 | コンテンツ記録装置及びデータ配信システム |
CN1722659B (zh) * | 2004-07-13 | 2011-02-23 | 耶德托存取公司 | 处理多路复用中的数据的方法和系统以及解码多路复用的数据流的方法和系统 |
CN101057436B (zh) * | 2004-11-10 | 2011-11-30 | 松下电器产业株式会社 | 数据传送装置 |
EP1788773A1 (fr) * | 2005-11-18 | 2007-05-23 | Alcatel Lucent | Procédé et appareils pour demander la délivrance d'un avoir de média et pour établir d'avance un jeton d'authentification |
FR2898451B1 (fr) | 2006-03-13 | 2008-05-09 | Medialive | Procede et equipement de distribution de contenus audiovisuels numeriques securises par des solutions interoperables |
JP2008270870A (ja) * | 2007-04-16 | 2008-11-06 | Sony Corp | 通信システム、通信装置及び通信方法、並びにコンピュータ・プログラム |
US9326135B2 (en) * | 2008-02-21 | 2016-04-26 | Google Technology Holdings LLC | Method and apparatus for secure communication in a digital two way radio protocol |
US8165292B2 (en) * | 2008-10-14 | 2012-04-24 | Nagra France | Method and system for secure distribution of audiovisual data encapsulated according to a plurality of transport protocols |
EP2348725A1 (fr) * | 2010-01-26 | 2011-07-27 | Irdeto Access B.V. | Calcul pour obtenir efficacement un mot de commande dans un récepteur utilisant des transformations |
US9846696B2 (en) | 2012-02-29 | 2017-12-19 | Telefonaktiebolaget Lm Ericsson (Publ) | Apparatus and methods for indexing multimedia content |
US9633015B2 (en) | 2012-07-26 | 2017-04-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Apparatus and methods for user generated content indexing |
WO2014185834A1 (fr) | 2013-05-14 | 2014-11-20 | Telefonaktiebolaget L M Ericsson (Publ) | Moteur de recherche de contenu textuel et de contenu non textuel |
WO2015030645A1 (fr) | 2013-08-29 | 2015-03-05 | Telefonaktiebolaget L M Ericsson (Publ) | Procédés, programme informatique, produit-programme d'ordinateur et systèmes d'indexation permettant d'indexer ou de mettre à jour un index |
CN105493436B (zh) * | 2013-08-29 | 2019-09-10 | 瑞典爱立信有限公司 | 用于向授权用户分发内容项目的方法、内容拥有者设备 |
JP6484986B2 (ja) | 2014-01-31 | 2019-03-20 | 株式会社リコー | 位置情報発信システム、位置情報発信装置および位置情報発信方法 |
WO2016202361A1 (fr) * | 2015-06-15 | 2016-12-22 | Saronikos Trading And Services, Unipessoal Lda | Appareil récepteur et procédé de commande d'accès à des contenus diffusés par l'intermédiaire d'un satellite |
CN105681326A (zh) * | 2016-02-26 | 2016-06-15 | 努比亚技术有限公司 | 多链路数据传输装置及方法 |
JP7466339B2 (ja) * | 2020-03-17 | 2024-04-12 | 三菱電機株式会社 | 無線通信装置及び無線通信システム |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0800293A2 (fr) * | 1996-04-02 | 1997-10-08 | Lucent Technologies Inc. | Circuit et procédé de génération de clefs cryptographiques |
WO1999030499A1 (fr) * | 1997-12-10 | 1999-06-17 | Thomson Consumer Electronics, Inc. | Procede de protection des donnees audiovisuelles par l'interface des normes de securite nationales renouvelables (nrss) |
WO2000054493A1 (fr) * | 1999-03-12 | 2000-09-14 | Diva Systems Corporation | Diffusion securisee de video a la carte |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01181349A (ja) * | 1988-01-14 | 1989-07-19 | Nippon Telegr & Teleph Corp <Ntt> | 同報通信システム |
JPH07212355A (ja) * | 1994-01-20 | 1995-08-11 | Sony Corp | 伝送データ受信装置 |
JPH07283809A (ja) * | 1994-04-08 | 1995-10-27 | Mitsubishi Corp | 暗号鍵システム |
JPH0946331A (ja) * | 1995-07-31 | 1997-02-14 | Sony Corp | 情報処理装置および方法 |
JPH1049583A (ja) * | 1996-08-05 | 1998-02-20 | Nippon Steel Corp | 暗号化送信システム |
JP3700799B2 (ja) * | 1996-08-23 | 2005-09-28 | 日本信販株式会社 | 機密情報通信システム |
JP3894342B2 (ja) * | 1996-09-18 | 2007-03-22 | 松下電器産業株式会社 | 有料情報提供システム |
JPH1168730A (ja) * | 1997-08-15 | 1999-03-09 | Nec Commun Syst Ltd | 暗号ゲートウェイ装置 |
JPH11103290A (ja) * | 1997-09-29 | 1999-04-13 | Sharp Corp | 暗号化情報通信装置 |
JP3660815B2 (ja) * | 1997-12-10 | 2005-06-15 | 株式会社日立製作所 | ディジタル放送信号の受信装置及び記録再生装置 |
JPH11298470A (ja) * | 1998-04-16 | 1999-10-29 | Hitachi Ltd | 鍵の配布方法およびシステム |
JPH11308209A (ja) * | 1998-04-24 | 1999-11-05 | Sony Corp | 信号暗号装置及び方法、並びにデータ送信装置及び方法 |
JP2000269956A (ja) * | 1999-03-18 | 2000-09-29 | Sony Corp | 情報処理装置および方法、並びに提供媒体 |
JP2000341264A (ja) * | 2000-01-01 | 2000-12-08 | Sony Corp | 情報処理装置及び方法 |
JP2002261746A (ja) * | 2000-12-28 | 2002-09-13 | Sony Corp | 配信方法及び配信システム |
-
2001
- 2001-03-16 JP JP2001076918A patent/JP2002261747A/ja active Pending
- 2001-08-09 TW TW090119540A patent/TW548938B/zh not_active IP Right Cessation
- 2001-09-29 KR KR1020010060970A patent/KR20020055353A/ko not_active Application Discontinuation
- 2001-12-21 CA CA002366161A patent/CA2366161A1/fr not_active Abandoned
- 2001-12-24 EP EP01310868A patent/EP1220541A3/fr not_active Withdrawn
- 2001-12-27 SG SG200108094A patent/SG114516A1/en unknown
- 2001-12-28 CN CN01138166A patent/CN1362810A/zh active Pending
-
2003
- 2003-01-28 HK HK03100722.2A patent/HK1050437A1/zh unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0800293A2 (fr) * | 1996-04-02 | 1997-10-08 | Lucent Technologies Inc. | Circuit et procédé de génération de clefs cryptographiques |
WO1999030499A1 (fr) * | 1997-12-10 | 1999-06-17 | Thomson Consumer Electronics, Inc. | Procede de protection des donnees audiovisuelles par l'interface des normes de securite nationales renouvelables (nrss) |
WO2000054493A1 (fr) * | 1999-03-12 | 2000-09-14 | Diva Systems Corporation | Diffusion securisee de video a la carte |
Non-Patent Citations (1)
Title |
---|
SCHNEIER B: "Applied cryptography, second edition", APPLIED CRYPTOGRAPHY. PROTOCOLS, ALGORITHMS, AND SOURCE CODE IN C, NEW YORK, NY: JOHN WILEY & SONS, US, 1996, XP002198341, ISBN: 0-471-11709-9 * |
Also Published As
Publication number | Publication date |
---|---|
TW548938B (en) | 2003-08-21 |
CA2366161A1 (fr) | 2002-06-28 |
CN1362810A (zh) | 2002-08-07 |
KR20020055353A (ko) | 2002-07-08 |
HK1050437A1 (zh) | 2003-06-20 |
EP1220541A2 (fr) | 2002-07-03 |
JP2002261747A (ja) | 2002-09-13 |
SG114516A1 (en) | 2005-09-28 |
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